baber/WOPTO huggingface dataset:
Patent JP-2002222828-A (JP)
Title: Substrate for packaging semiconductor element
Inventor: HOSOKAWA TORU
IPC: H01L21/60
Filed: 2001-01-29
Abstract: PROBLEM TO BE SOLVED: To provide a substrate for packaging a semiconductor element, which improves the junction between the projected electrode of a semiconductor element flip-chipped and the electrode pad on the substrate, and improves packaging reliability. SOLUTION: The substrate 3 for packaging semiconductor elements has a packaging section where an electrode terminal and a plurality of corresponding electrode pads 4 are formed for packaging a semiconductor element 1 having the projected electrode 2 made of gold on the electrode terminal, while a plurality of electrode terminals is formed on the lower surface on the upper surface of an insulating substrate. The electrode 2 is brought into contact with the electrode pad 4 for heating and pressing the upper surface of the semiconductor element 1, or ultrasonic waves are applied during heating and pressing for joining the electrode 2 to the electrode pad 4. In the substrate 3, a recess 6 for joining the electrode where the depth of steps ranges from 1 μm to 10 μm is provided at the electrode pad 4.  Generation of junction failure such as position deviation or the like of the electrode 2 is eliminated, thus improving junction in a horizontal direction of the substrate.
Patent JP-2002221104-A (JP)
Title: Moisture remover for egr device
Inventor: URABE MITSURU
IPC: F02M25/07
Filed: 2001-01-29
Abstract: PROBLEM TO BE SOLVED: To provide a concrete structure of a moisture remover for an EGR device to remove moisture in EGR gas. SOLUTION: In a water drop collecting tube 10, an exhaust side wall 10B is provided at the end of the downstream in its exhaust direction, and an exhaust port 10c to exhaust water drop is formed on its peripheral surface. A funnel part 11 is tapered while its inner diameter expands in the exhaust direction in order to form a lead-in passage 11a, and the end surface in the downstream in the exhaust direction forms a V-shaped abutting part 11B. V-shaped rings 12, 13 dividingly form an EGR gas passing part 1a on the inner peripheral side of the V-shaped ring and a water drop collecting part 1b on the outer peripheral side of the V-shaped ring by elastically adhering to the exhaust side wall 10B and the V-shaped ring abutting part 11B. Intermediate rings 14, 15, and 16 take the form of a ring, plural projecting parts 14A, 15A, and 16A projecting in the diameter direction from the outer peripheral surface are formed, and some of them are bent in order to form V-shaped ring supporting parts 14B, 15B, 15C, and 16B.
Patent JP-2002224070-A (JP)
Title: Myoelectric characteristic pattern discriminating method and device
Inventor: KAJITANI ISAMU
IPC: G06F17/00
Filed: 2001-01-30
Abstract: PROBLEM TO BE SOLVED: To improve discriminating accuracy, expand applicable fields, and promote the diffusion of a device using myoelectricity as an interface by reducing deviation of the distribution by using a logarithm converting device. SOLUTION: This device extracts a characteristic pattern from a myoelectric pattern being action potential of a muscle by using logarithm converting processing, and generates an output control signal by discriminating the extracted characteristic pattern.
Patent JP-2001351792-A (JP)
Title: Power regulation circuit of high-frequency electronic ballast for ceramic metal halide lamp
Inventor: NERONE LOUIS ROBERT
IPC: H05B41/392
Filed: 2001-01-31
Abstract: PROBLEM TO BE SOLVED: To provide an electronic ballast for igniting and maintaining a discharge arc in a discharge tube of a ceramic metal halide lamp. SOLUTION: This electronic ballast 10 includes an oscillation inverter circuit 11d, driving an LC tank circuit network 51 connected to the discharge tube 100, and the LC tank circuit network is provided with a ballast circuit, with which a time-variable voltage having a peak peak value determined by an oscillation frequency of the inverter circuit is impressed to the discharge tube, and an electric power regulating circuit connected to the inverter circuit for changing the oscillation frequency of the inverter circuit, so that the power impressed to the discharge tube stays inside a predetermined desired power value range while resistance of the discharge tube fluctuates according to a temperature during the operation of the discharge arc.
Patent JP-2002232635-A (JP)
Title: Network device, its controlling method, network module, medium and network connecting device
Inventor: TAKAHASHI YUJI
IPC: G06F3/12
Filed: 2001-01-31
Abstract: PROBLEM TO BE SOLVED: To supply device information for performing remote operation to other devices on the network through a network at a low cost and also in the form of being able to flexibly handle even the change, etc., of the type of a network device. SOLUTION: In the network device on which a network module having a function for providing the device information for performing the remote operation through the network as WWW contents is mounted, the network module stores the WWW contents related to the device information common to various types of network devices and also stores the entire image of a GUI(Graphical User Interface) for remotely operating the network device as the WWW contents related to default information corresponding to inherent device information in order to provide against a case when the network device body does not hold the WWW contents related to the device information inherent to the network device at all.
Patent JP-2002226636-A (JP)
Title: Method and agent for disposing of flat tire repairing agent
Inventor: NAITO MITSURU
IPC: C08L21/02
Filed: 2001-02-01
Abstract: PROBLEM TO BE SOLVED: To provide a method and an agent for disposing efficiently and harmlessly of a flat tire repairing agent which is left in a flat tire and composed of a basic aqueous solution of rubber latex. SOLUTION: This method of disposing of a flat tire repairing agent is to coagulate the rubber latex and neutralize the aqueous solution by adding a treating agent having pH of 1.6-1.8 composed mainly of an aqueous solution of a weak organic acid to a flat tire repairing agent comprizing a basic aqueous solution in which rubber latex is dispersed. A treating agent for a flat tire repairing agent which has pH of 1.6-1.8 and is composed mainly of an aqueous solution of a weak organic acid is also provided.
Patent JP-2002234785-A (JP)
Title: Old tatami mat pulverized matter
Inventor: OKAMURA KAZUO
IPC: C05F11/00
Filed: 2001-02-06
Abstract: PROBLEM TO BE SOLVED: To provide an old tatami mat pulverized matter with which an old tatami mat can be fast rotted and fermented and can be very fast composted. SOLUTION: The old tatami mat pulverized matter has CEC(cation exchange capacity) of <=55 meq/100 g.
Patent JP-2002228801-A (JP)
Title: Optical component for vacuum ultraviolet ray
Inventor: SATO HIROKI
IPC: G03F7/20
Filed: 2001-02-07
Abstract: PROBLEM TO BE SOLVED: To provide a method capable of making good use of a birefringent material such as an LiCaAlF6 single crystal as an optical component for a semiconductor exposure system used in the vacuum ultraviolet region and to provide the optical component. SOLUTION: When the wavelength of light incident on an LiCaAlF6 single crystal is adjusted to 152 nm, refractive indexes with respect to ordinary and extraordinary rays are made equal to each other and the objective optical component for vacuum UV whose index of double refraction is made zero is obtained. An exposure system can be manufactured by using the optical component. A graph of refractive index change to the wavelengths of ordinary and extraordinary rays is preferably used in the manufacture of the optical component.
Patent JP-2002234024-A (JP)
Title: Manufacturing method for cement composition
Inventor: MATSUFUJI TAISUKE
IPC: C04B28/02
Filed: 2001-02-07
Abstract: PROBLEM TO BE SOLVED: To provide a manufacturing method for a cement composition wherein coal ash which is a side product of a coal thermal power station is effectively used as a concrete raw material by a large quantity, and at the same time, by which the mass-consumption of coal ash as the concrete raw material becomes possible. SOLUTION: After coal ash is mixed with water by a mixing-stirring machine, and made into a slurry, the slurry is mixed with cement, water and an aggregate by a specified blending ratio. Thus, a cement mortar or a concrete is prepared. Preferably, the water mixing and stirring of the coal ash is continuously performed for at least 1 day (24 hours). The coal ash slurry which has been unified by the continuous water-mixing and stirring process is mixed with the cement, water and the aggregate immediately after the stop of the stirring, or after a still standing period of time has passed. This cement based composition in which the coal ash slurry is blended indicates a remarkably high fluidity, and the swelling property and the reduction of strength are suppressed.
Patent JP-2002236024-A (JP)
Title: Navigation apparatus
Inventor: KOTANI SEISHI
IPC: G09B29/00
Filed: 2001-02-08
Abstract: PROBLEM TO BE SOLVED: To provide a navigation apparatus which can transfer map information or peripheral information received to external recording media for re-use and further can save the communication cost with the minimized volume of received information, by accomplishing the re-using of the map information and peripheral information once received. SOLUTION: The navigation apparatus 1 is provided with a telephone part 10, a memory medium reproducing means 13 and a control circuit 6 for controlling the telephone part 10 and the memory medium reproduction means 13. With the control circuit 6 in a first state, the telephone part 10 receives map information or the peripheral information; in a second state, the map information or the peripheral information received thereby 10 is transmitted to a computer terminal 4; and in a third state, the memory medium reproducing means 13 reproduces the map information or peripheral information of a memory medium.
Patent JP-2002237476-A (JP)
Title: Semiconductor wafer and method of manufacturing it
Inventor: SUMI MOCHIYUKI
IPC: H01L21/02
Filed: 2001-02-08
Abstract: PROBLEM TO BE SOLVED: To suppress the generation of a break, craze, crack and the like in a semiconductor wafer caused by a multiwire saw to a minimum level, to raise the yield of the manufacture of the wafer, and at the same time also to lessen a break, craze, crack and the like caused by the process of the wafer itself in a step subsequent to a slicing of a block. SOLUTION: The semiconductor wafer is formed by a method where a semiconductor crystal ingot is cut in a prescribed size of a block. After that, the surface of the block is polished and the block is sliced by the multiwire saw after the polishing. The multitude of unevennesses existing on the upper and lower surfaces and the peripheral edges of the wafer are set in 2.5 μm or lower in the display of a roughness Rmax used in accordance with the so-called JIS.
Patent JP-2002235307-A (JP)
Title: Traffic tack
Inventor: TAKATSU TOSHIYUKI
IPC: E01F9/571
Filed: 2001-02-09
Abstract: PROBLEM TO BE SOLVED: To surely sink a sign body under a road surface without damage even when load works from all directions. SOLUTION: The sign body 1 is rotated and a pushing means 3 is compressed and deformed, dispersing the impulse force of the sign body and the sign body is lowered when load works in the oblique directions excepting the direction just under the sign body 1 and the lateral direction close to approximately horizontality to the sign body by elastically pushing the sign body 1 by the pushing means 3 and supporting the sign body in a freely vertically movable manner while rotatably abutting the upper section of a spherical external surface 1a against an engaging means 2 at the place of the lifting of the sign body.
Patent JP-2001214102-A (JP)
Title: Method of manufacturing ink using reclaimed vegetable oil
Inventor: SANADA TAKESHI
IPC: C11B13/00
Filed: 2001-02-14
Abstract: PROBLEM TO BE SOLVED: To provide a means to reduce the cost of an ink using a vegetable oil and, simultaneously to reuse the remaining oil used in the production of food and drink or the like. SOLUTION: A reclaimed vegetable oil which has been manufactured by using the step of leaving a used vegetable oil to stand for at least a whole day and night, and then collecting the supernatant is used in manufacturing an ink.
Patent JP-2002240633-A (JP)
Title: Stairs for on-deck unit
Inventor: TSUBAKI YOSHIAKI
IPC: E06C9/12
Filed: 2001-02-16
Abstract: PROBLEM TO BE SOLVED: To provide a stairs for an on-deck unit easy to be handled. SOLUTION: The stairs 3 for the unit is perfectly housed in a housing pocket 5 formed in the unit 1 to prevent a hindrance of the movement by the stairs 3 for the unit when a truck 2 moves. When using the unit 1, the stairs 3 for the unit is pulled from the housing pocket 5, and set at an appropriate angle of inclination in response to the environment for use.
Patent JP-2001282363-A (JP)
Title: Pressure reducing valve
Inventor: HIDDESSEN RALF
IPC: F16K17/04
Filed: 2001-02-19
Abstract: PROBLEM TO BE SOLVED: To provide a simple and compact pressure reducing valve having a two-dimensional pressure relief suitable for a functional screw connection structure. SOLUTION: This pressure reducing valve is provided with a valve housing 1, a first communicating duct 2, a slider 3, a spring 5, a driving element 4, seals 6 and 7 formed between the valve housing 1 and the slider 3 for forming a first pressure chamber 8 in one end side area 3a of the slider 3, for forming a second pressure chamber 9 in the central area 3b of the slider 3 and for forming a third pressure chamber 10 in the other end side area 3c of the slider 3, a second communicating duct 11, and a fourth pressure chamber 12. The second pressure chamber 9 in the central area 3b of the slider 3 is exposed through a primary pressure port 1a to a primary pressure P. The first pressure chamber 8 in one end side area 3a of the slider 3 and the third pressure chamber 10 in the other end side area 3c of the slider 3 are exposed through a secondary pressure port 1b to a secondary pressure S. The third and fourth pressure chambers 10 and 12 are communicated with each other through a third communicating duct 13.
Patent JP-2002239416-A (JP)
Title: Centrifugal separator
Inventor: SUZUKI NOBORU
IPC: C02F11/12
Filed: 2001-02-21
Abstract: PROBLEM TO BE SOLVED: To improve the separation performance of a horizontal centrifugal separator and to make its energy consumption less and its cost lower. SOLUTION: A bowl 1 of the centrifugal separator constituted by housing a screw conveyor into the bowl 1 rotating at a high speed is formed to a straight cylindrical shape of a horizontal cylinder and its rear end wall 3 is provided with a discharge port 7 for a separating liquid C in its outer peripheral part and the inner periphery in the front part of the bowl 1 having a sludge discharging port 6 is projectingly provided with a suppressing ring 21. On the other hand, a rotary cylinder 11 of the screw conveyor 10 is provided with a supply port 15 for a stack solution (a) in its rear part and the front part of the rotary cylinder 11 is projectingly provided with a suppressing collar 23 toward the suppressing ring 21. A narrow discharge path 20 for filtered cake (b) is formed between the suppressing ring 21 and the suppressing collar 23.  The suppressing ring 21 is provided with many projecting ribs 25 which project in the discharge path 20. As a result, heavy components (b) are subjected to the effect of compaction, extrusion, wringing, etc., by which a dewatering rate is eventually greatly improved. Since the degrees of separation of the heavy components in the discharge path 20 are eventually variously regulatable by changing the shape and arrangement, etc., of the projecting ribs 25, the adequate treatment corresponding to the characteristic of raw water is made possible.
Patent JP-2002239294-A (JP)
Title: Dry cleaning apparatus
Inventor: NISHINO MASAFUMI
IPC: D06F43/08
Filed: 2001-02-22
Abstract: PROBLEM TO BE SOLVED: To stably cool a solvent even when temperature of the outlet of a cooler is elevated by decrease in cooling performance in a constitution in which a cooling medium is used for a drying cooler for concentrating the solvent and the solvent is cooled with cool air made by the drying cooler. SOLUTION: When the temperature of the outlet of the drying cooler 15 is elevated at the target temperature 12 deg.C or higher in a recovering and drying process, rotating speed of a blower motor 6 for circulating air is decreased to decrease amount of the air per unit time. Heat exchange efficiency between the cooling medium and the air is improved thereby in the drying cooler 15 and temperature on the outlet side of the drying cooler 15 is decreased. Then, amount of heat taken away from the solvent in a solvent cooler 28 is also increased and it is possible to stably decrease the temperature of the solvent.
Patent JP-2002251401-A (JP)
Title: Device, method and storage media for retrieving document
Inventor: FUNAKOSHI MASANOBU
IPC: G06F17/21
Filed: 2001-02-22
Abstract: PROBLEM TO BE SOLVED: To provide such a method for displaying the result of document retrieval that enables a user to recognize a document profile and thereby to easily understand a semantic concept of each retrieved document. SOLUTION: The document retrieving device stores pairs of document data and a semantic vector that expresses the document content in multi-dimensional vectors and classifies stored document data into groups according to each semantic vector. The device controls each group by the use of the group name given so as to express its content. In retrieving document data, the device generates a semantic vector responding to the document retrieving request by language analyzing the query and then makes it matched with the semantic vector of stored document data. When displaying the retrieved document data as the result of retrieval, the device displays not only the document content, 1702, but also the group name, 1701, given to the group to which the retrieved document data belong.
Patent JP-2002252964-A (JP)
Title: Semiconductor power conversion apparatus
Inventor: SUZUKI TAKAHIRO
IPC: H02M1/00
Filed: 2001-02-23
Abstract: PROBLEM TO BE SOLVED: To provide a semiconductor power conversion apparatus for a rectification apparatus, an inverter apparatus, etc., which can operate with a smaller number of snubber resistors and do not require a new cooling pipeline. SOLUTION: A snubber resistor 16 stores resistors in a metallic body. Incorporated in a semiconductor power conversion apparatus so as to have a second cooling conductor 9 making contact with The snubber resistor 16 bottom face of the metallic body. Since the snubber resistor makes contact with the second cooling conductor 9, cooling efficiency is improved better than in air cooling, and the number of the snubber resistors 16 can be reduced than that in the conventional art. Since the snubber resistor is cooled by the second cooling conductor 9, a new cooling pipeline is not required and the semiconductor power conversion apparatus becomes compact and the installation time is shortened.
Patent JP-2002252909-A (JP)
Title: Interlocking device in breaker drawer mechanism part
Inventor: KANZAKI TOSHIYUKI
IPC: H02B11/133
Filed: 2001-02-23
Abstract: PROBLEM TO BE SOLVED: To circumvent a danger caused by a careless drawing operation by structurally disabling a drawing operation part for operation even when a cover of a breaker drawing operation part is not returned forgetfully to an original state. SOLUTION: A slide cover 11 for a mounting part set on the front side of an operation handle mounting part covers the operation handle mounting part when it falls down to a low end position by the force of gravity. When a lock rod 8 is inserted into a lock hole 13 set on the slide cover 11, the cover is fixes. A mounting part rotary cover 21 set on a front side of the breaker drawing operation part covers the operation handle mounting part when it is suspended by the force of gravity. The mounting part rotary cover 21 is also fixed when the lock rod 8 is inserted into a lock hole 13 at the low end position of the cover. The locking device of the mounting part cover is locked when an electromagnet 7 is not excited, and unlocked when excited.
Patent JP-2002250196-A (JP)
Title: Vertical hole excavation equipment and vertical hole excavation method
Inventor: TAMURA KATSUMI
IPC: E21D1/03
Filed: 2001-02-23
Abstract: PROBLEM TO BE SOLVED: To provide a vertical hole excavation technology that can efficiently form a large underground space. SOLUTION: The equipment is made up of a casing driver 1 which holds a casing 3 and excavates a vertical hole while descending into the hole while providing it with a rotary driving, and a rotary excavator equipped with a driving axis for cutter rotation such as cutters for excavation and a Kelly-bar 13. In this vertical hole excavation equipment that makes it possible to drive the Kelly-bar 13 by holding it, in order to expand the outside diameter of excavation larger than that of the casing 3 or shrink it so that a diameter expanding- type excavation cutter 62 is provided as an excavation cutter for a rotary excavator.  At the same time, when the cutter 62 for a diameter expanding-type excavation is expanded, the cutter shall be expanded to be able to come into directly contact with the excavated vertical hole or it can be put through the vertical hole so that a shrinkable widening stabilizer 61 is provided in the center shaft 60 of the rotary excavator.
Patent JP-2002248325-A (JP)
Title: Method for cleaning separation membrane
Inventor: IIJIMA YOSHIHITO
IPC: B01D65/06
Filed: 2001-02-27
Abstract: PROBLEM TO BE SOLVED: To provide a method for cleaning a clogged separation membrane to restore its water permeating function effectively without exerting a bad influence on a separation membrane-installed apparatus for purifying raw water such as natural water such as well water, water of rivers, water of lakes and marshes and seawater, industrial waste water, domestic waste water and the water obtained by treating the natural water or the waste water by a flocculating and settling method, a flocculating and filtering method, a pressurizing and flotation method or the like. SOLUTION: This separation membrane cleaning method is carried out by using nitric acid, sulfuric acid or a mixture of them and a liquid chemical containing an organic acid of oxalic acid, citric acid or a mixture of them.
Patent JP-2002254346-A (JP)
Title: Drive switch system for rotary power tool
Inventor: TOTSU KATSUYUKI
IPC: B25B23/14
Filed: 2001-02-28
Abstract: PROBLEM TO BE SOLVED: To provide a drive switch system for a rotary power tool that can select drive control of a desirable push operation system or lever operation system according to work content. SOLUTION: A push operation system drive switch 30 for switching on when a rotary tool 14 coupled to an output shaft of an electric motor to provide work such as screw tightening is placed in contact with a work object such as a screw and then displaced or depressed, and a lever operation system drive switch 32 for switching on when a switch lever 26 arranged on a grip part of a rotary power tool is displaced or depressed, comprise respective combinations of magnets 31a and 33a and magnetic sensors 31b and 33b. The magnetic sensors are each connected to a feeding circuit of the electric motor 12. With either operation system selected, a magnetic sensing operation of the magnetic sensor of the selected operation system switches the feeding circuit on to start driving the electric motor.